/Engine/Source/Runtime/AudioMixer/Public/Quartz/QuartzSubsystem.h
Get handle for existing clock
[UQuartzClockHandle](API\Runtime\AudioMixer\Quartz\UQuartzClockHandle) * GetHandleForClock ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * WorldContextObject, [FName](API\Runtime\Core\UObject\FName) ClockName )